import pandas as pd
data = pd.read_csv("../nlp_date/train1.csv")



subset = data.loc[1500:]

# 删除'C'列
subset = subset.drop('label', axis=1)

# 将数据写入新的CSV文件
subset.to_csv('../nlp_date/train2demo.csv', index=False,encoding='utf_8_sig')
